SSM框架整合项目

搭建环境

导入依赖

  • 1、集中定义依赖包:
<!-- 集中定义依赖版本号 -->
    <properties>
        <junit.version>4.12</junit.version>
        <spring.version>5.2.9.RELEASE</spring.version>
        <mybatis.version>3.5.2</mybatis.version>
        <mybatis.spring.version>2.0.2</mybatis.spring.version>
        <mysql.version>5.1.47</mysql.version>
        <druid.version>1.1.10</druid.version>
        <slf4j.version>1.6.4</slf4j.version>
        <jstl.version>1.2</jstl.version>
        <servlet-api.version>2.5</servlet-api.version>
        <jsp-api.version>2.0</jsp-api.version>
        <jackson.version>2.4.2</jackson.version>
         <spring-aspects>5.2.9.RELEASE</spring-aspects>
    </properties>

    <dependencies>
        <!-- 单元测试 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>


    </dependencies>

  • 2、整合spring框架
<!-- 整合spring框架(包含springmvc)
	这个jar文件包含springmvc开发时的核心类, 同时也会将依赖的相关jar文件引入进来(spring的核心jar文件也包含在内)
 -->
<dependency>
	<groupId>org.springframework</groupId>
	<artifactId>spring-webmvc</artifactId>
	<version>${spring.version}</version>
</dependency>
<!--这个jar文件包含对Spring对JDBC数据访问进行封装的所有类 -->
<dependency>
	<groupId>org.springframework</groupId>
	<artifactId>spring-jdbc</artifactId>
	<version>${spring.version}</version>
</dependency>
<dependency>
	<groupId>org.springframework</groupId>
	<artifactId>spring-aspects</artifactId>
	<version>${spring.version}</version>
</dependency>

  • 3、整合spring,Mybatis
<!-- 整合mybatis框架 -->
<dependency>
	<groupId>org.mybatis</groupId>
	<artifactId>mybatis</artifactId>
	<version>${mybatis.version}</version>
</dependency>
<dependency>
	<groupId>org.mybatis</groupId>
	<artifactId>mybatis-spring</artifactId>
	<version>${mybatis.spring.version}</version>
</dependency>
<!-- mysql驱动 -->
<dependency>
	<groupId>mysql</groupId>
	<artifactId>mysql-connector-java</artifactId>
	<version>${mysql.version}</version>
</dependency>
<!-- druid连接池 -->
<dependency>
	<groupId>com.alibaba</groupId>
	<artifactId>druid</artifactId>
	<version>${druid.version}</version>
</dependency>

添加配置文件

  • SpringMVC配置主文件,spring-mvc.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
       http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd
        ">
        <!--1、配置前端控制器,用于放行静态资源-->
        <mvc:default-servlet-handler/>
        <!--2、配置注解驱动-->
        <mvc:annotation-driven/>
        <!--3、配置包扫描-->
        <context:component-scan base-package="com.feng.controller"></context:component-scan>
        <!--4、配置视图解析器-->
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="resolver">
                <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
                <property name="prefix" value="/WEB-INF/pages"></property>
                <property name="suffix" value=".jsp"></property>
        </bean>
</beans>
  • 在web.xml配置springmvc
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <!--配置前端控制器-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--配置springmvc核心配置文件的位置-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring/applicationContext.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--配置springmvc乱码处理过滤器-->
    <!-- 乱码处理过滤器 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <!-- 指定编码集 -->
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <!-- 指定拦截方式为拦截所有请求 -->
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    <!--Session过期时间-->
    <session-config>
        <session-timeout>15</session-timeout>
    </session-config>
</web-app>
  • 配置dao层spring配置文件

    • 添加数据库文件:db.properties

      jdbc.driver=com.mysql.jdbc.Driver
      jdbc.url=jdbc:mysql://localhost:3306/yonghedb?characterEncoding=utf8&useSSL=true&useUnicode=true
      jdbc.username=root
      jdbc.password=123456
      
    • spring-dao.xm

      <?xml version="1.0" encoding="UTF-8"?>
      <beans xmlns="http://www.springframework.org/schema/beans"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:context="http://www.springframework.org/schema/context"
             xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
              http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context.xsd
              ">
          <!--1、加入数据库文件关联-->
          <context:property-placeholder location="classpath:db.properties"/>
          <!--2、配置数据源-->
          <bean class="com.alibaba.druid.pool.DruidDataSource" id="dataSource">
              <property name="driverClassName" value="${jdbc.driver}"></property>
              <property name="url" value="${jdbc.url}"></property>
              <property name="username" value="${jdbc.username}"></property>
              <property name="password" value="${jdbc.password}"></property>
          </bean>
          <!--配置SQLSessionFactory-->
          <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sqlSessionFactory">
              <!--注入数据源-->
              <property name="dataSource" ref="dataSource"></property>
              <!--指定mybatis-config.xml配置文件-->
              <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"></property>
              <!--扫描所有的mapper.xml映射文件,读取其中配置的sql语句-->
              <property name="mapperLocations" value="classpath:mybatis/mapper/*xml"></property>
          </bean>
          <!--Mybatis MapperScannerConfigurer 自动扫描 将Mapper接口生成代理注入到Spring-->
          <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
              <!--注入SQLSessionFactory-->
              <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
              <!--扫描所有的mapper接口,将接口实例的创建交给spring容器-->
              <property name="basePackage" value="com.feng.dao"></property>
          </bean>
      </beans>
      
  • 添加spring-service配置文件

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:context="http://www.springframework.org/schema/context"
           xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
        <!--扫描包-->
        <context:component-scan base-package="com.feng.service"/>
        <!--配置事务管理器-->
        <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource"></property>
        </bean>
    </beans>
    
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